172276 ⎘
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves; Details; Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems by using spaced loop aerial systems
Mobile computing device antenna
#2Method for estimating the polarization ellipticity of an antenna response signal to an incident electromagnetic wave
#3Method of determining the direction of arrival of a high-frequency electromagnetic wave